Men with cancer change their health behaviour: a prospective study from the Danish Diet, Cancer and Health Study

Background: Health behaviour changes may improve the quality of life and survival among cancer survivors. We prospectively examined changes in health behaviour among and between men with prostate cancer (PC), men with cancers other than PC and cancer-free men. Methods: We analysed data for 20 914 men (50–65 years), 426 with cancer, and 20 488 persons who were cancer-free between baseline (1993–1997) and follow-up (2000–2002) in multiple linear regression models to determine differences in changes in body mass index (BMI) and in alcohol and tobacco consumption. Results Body mass index and tobacco and alcohol consumption decreased significantly (P